public abstract class AbstractMessageConverterMethodArgumentResolver extends java.lang.Object implements HandlerMethodArgumentResolver
HttpMessageConverter
s.Modifier and Type | Field and Description |
---|---|
protected java.util.List<MediaType> |
allSupportedMediaTypes |
protected Log |
logger |
protected java.util.List<HttpMessageConverter<?>> |
messageConverters |
Constructor and Description |
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AbstractMessageConverterMethodArgumentResolver(java.util.List<HttpMessageConverter<?>> messageConverters) |
Modifier and Type | Method and Description |
---|---|
protected ServletServerHttpRequest |
createInputMessage(NativeWebRequest webRequest)
Create a new
HttpInputMessage from the given NativeWebRequest . |
private static java.util.List<MediaType> |
getAllSupportedMediaTypes(java.util.List<HttpMessageConverter<?>> messageConverters)
Return the media types supported by all provided message converters sorted
by specificity via
MediaType.sortBySpecificity(List) . |
protected boolean |
isBindExceptionRequired(WebDataBinder binder,
MethodParameter methodParam)
Whether to raise a fatal bind exception on validation errors.
|
protected <T> java.lang.Object |
readWithMessageConverters(HttpInputMessage inputMessage,
MethodParameter methodParam,
java.lang.reflect.Type targetType)
Create the method argument value of the expected parameter type by reading
from the given HttpInputMessage.
|
protected <T> java.lang.Object |
readWithMessageConverters(NativeWebRequest webRequest,
MethodParameter methodParam,
java.lang.reflect.Type paramType)
Create the method argument value of the expected parameter type by
reading from the given request.
|
protected void |
validateIfApplicable(WebDataBinder binder,
MethodParameter methodParam)
Validate the request part if applicable.
|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
resolveArgument, supportsParameter
protected final Log logger
protected final java.util.List<HttpMessageConverter<?>> messageConverters
protected final java.util.List<MediaType> allSupportedMediaTypes
public AbstractMessageConverterMethodArgumentResolver(java.util.List<HttpMessageConverter<?>> messageConverters)
private static java.util.List<MediaType> getAllSupportedMediaTypes(java.util.List<HttpMessageConverter<?>> messageConverters)
MediaType.sortBySpecificity(List)
.protected <T> java.lang.Object readWithMessageConverters(NativeWebRequest webRequest, MethodParameter methodParam, java.lang.reflect.Type paramType) throws java.io.IOException, HttpMediaTypeNotSupportedException
T
- the expected type of the argument value to be createdwebRequest
- the current requestmethodParam
- the method argumentparamType
- the type of the argument value to be createdjava.io.IOException
- if the reading from the request failsHttpMediaTypeNotSupportedException
- if no suitable message converter is foundprotected <T> java.lang.Object readWithMessageConverters(HttpInputMessage inputMessage, MethodParameter methodParam, java.lang.reflect.Type targetType) throws java.io.IOException, HttpMediaTypeNotSupportedException
T
- the expected type of the argument value to be createdinputMessage
- the HTTP input message representing the current requestmethodParam
- the method parameter descriptortargetType
- the type of object to create, not necessarily the same as
the method parameter type (e.g. for HttpEntity<String>
method
parameter the target type is String)java.io.IOException
- if the reading from the request failsHttpMediaTypeNotSupportedException
- if no suitable message converter is foundprotected ServletServerHttpRequest createInputMessage(NativeWebRequest webRequest)
HttpInputMessage
from the given NativeWebRequest
.webRequest
- the web request to create an input message fromprotected void validateIfApplicable(WebDataBinder binder, MethodParameter methodParam)
The default implementation checks for @javax.validation.Valid
,
Spring's Validated
,
and custom annotations whose name starts with "Valid".
binder
- the DataBinder to be usedmethodParam
- the method parameterisBindExceptionRequired(org.springframework.web.bind.WebDataBinder, org.springframework.core.MethodParameter)
protected boolean isBindExceptionRequired(WebDataBinder binder, MethodParameter methodParam)
binder
- the data binder used to perform data bindingmethodParam
- the method argumenttrue
if the next method argument is not of type Errors